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creo3 config.pro option documentation for: IGES_OUT_ALL_SRFS_AS            


iges_out_all_srfs_as

default , 114 , 128
Determines surface types that are exported to the IGES file format.
default - Exports all surfaces as appropriate IGES surfaces.
114 - Applies only to representations of surface shape. Trimmed surface entities (type 144) are exported regardless of this setting.
128 - Exports all surfaces as IGES B-spline surfaces.